package August;

import java.util.Scanner;

public class Day0808 {



    /**
     * 跳台阶的拓展问题
     * @param number int整型
     * @return int整型
     */
    public int jumpFloorII (int number) {
        if (number == 0)
            return 0;

        return (int) Math.pow(2,number-1);
    }


    //快到碗里来
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        double pi = 3.14;
        while (scanner.hasNext()){
            double l = scanner.nextDouble();
            double r = scanner.nextDouble();

            if (2*r*pi > l)
                System.out.println("Yes");
            else
                System.out.println("No");
        }
    }
}
